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Torque Limiting Extension Bars, How do they work?

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Old Feb 25, 2009 | 09:47 AM
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Torque Limiting Extension Bars, How do they work?


How do torque limiting extensions work? Do they work?
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Old Feb 25, 2009 | 09:53 AM
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They work very well as long as your impact gun is calibrated to 250#' torque. Anything more or less will result in inaccurate settings. They can only be uesd for installing lug nuts, not removing them.


Tim
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Old Feb 25, 2009 | 10:24 AM
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but how do they work? There are no moving parts. Do they twist to absorb the impact beyond their rated torque?
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Old Feb 25, 2009 | 10:40 AM
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From: Whitehorse, cultural hub of the universe..
yes, the steel in them essentially goes "dead" at the preset torque rating, and absorbs any further impact and torque from the gun
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Old Feb 25, 2009 | 01:33 PM
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The unique design allows the length and diameter of the torque extension shaft to flex with each blow of the impact wrench once the specified torque is reached. Accurate to within 4%.
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